Method set_mode

crates/opencode-tui/src/components/diff.rs:152–154

(&mut self, mode: DiffMode)

    }

    pub fn set_mode(&mut self, mode: DiffMode) {
        self.mode = mode;
    }

    /// Convert diff lines to ratatui Lines for embedding in other widgets.
    pub fn to_lines(&self, theme: &Theme) -> Vec<Line<'static>> {